Designed with larger-sized racers in mind, the Box One XL Fork features a 7000 series aluminum 1-1/8 inch steerer tube and standard 10mm cold-forged bonded dropoutsOptimal balance of weight, strength and stiffnessInternal butterfly steerer tube and fork crown interfaceIncludes Box One Stem LockBMX20`Threadless1-1/8`Carbon/AL7000Black32mm30mm10mmUPC/EAN/GTIN: 616043831794